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Author Topic: Looking for a special 110 Volt AC switch  (Read 954 times)

Rene T

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Looking for a special 110 Volt AC switch
« on: November 25, 2017, 01:22:54 PM »
Is there such a thing as a 110 Volt AC standard household switch except that it instead of just 2 positions,  On/Off, it would have three positions. Up would be ON, middle would be OFF and down would be ON. I want to turn on 2 different components using the same switch.
« Last Edit: November 25, 2017, 01:33:47 PM by Rene T »
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Re: Looking fo a special 110 Volt AC switch
« Reply #1 on: November 25, 2017, 01:35:45 PM »
Do you mean something like this?

https://www.amazon.com/dp/B0033PSG5A/ref=psdc_6291359011_t3_B003AUPP66

It's a double throw/center off/ maintained switch.  It would allow you to turn on a device when pushed up, then center would be off, then pushing it down would turn on a different device..  I'd say that you could get it in white also, but I didn't search any further.
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SeilerBird

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Re: Looking for a special 110 Volt AC switch
« Reply #2 on: November 25, 2017, 01:36:42 PM »
Search for a double throw single pole switch. All switches are rated by the number of poles (circuits) and the number of throws (connections to be made). Single pole single throw is the typical light switch.
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Re: Looking for a special 110 Volt AC switch
« Reply #3 on: November 25, 2017, 01:56:47 PM »
Yea, I accidently posted up a link for a double pole/double throw instead of a single pole/double throw switch.
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SeilerBird

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Re: Looking for a special 110 Volt AC switch
« Reply #4 on: November 25, 2017, 02:13:44 PM »
Yea, I accidently posted up a link for a double pole/double throw instead of a single pole/double throw switch.
That will still work, you just use only one side (one throw) of the switch. The hard part would be finding one with the center off position. Usually they have no middle position.
I would like to apologize to anyone I have not yet offended. Please be patient and I will get to you shortly.
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Rene T

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Re: Looking for a special 110 Volt AC switch
« Reply #5 on: November 25, 2017, 02:34:25 PM »
That will still work, you just use only one side (one throw) of the switch. The hard part would be finding one with the center off position. Usually they have no middle position.

Tom, I think this would be it:

https://www.amazon.com/Leviton-1256-W-15-Amp-277-Volt-Single-Pole/dp/B003AUPP66/ref=sr_1_5?ie=UTF8&qid=1511641880&sr=8-5&keywords=single%2Bthrow%2Bdouble%2Bpole%2Bswitch&th=1
Rene, Lucille & co-pilot Buddy
AKA  Pep N Mem
2011 Chevy Duramax 2500 HD 4X4
2011 Montana High Country 343RL
From the Granite State of NH
& Florida Snowbird in Lakeland FL

BobNSam

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Re: Looking for a special 110 Volt AC switch
« Reply #6 on: November 25, 2017, 03:15:07 PM »
Looks like X rated got it right straight off. Rene T provided a white version.
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SeilerBird

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Re: Looking for a special 110 Volt AC switch
« Reply #7 on: November 25, 2017, 03:49:54 PM »
Tom, I think this would be it:

https://www.amazon.com/Leviton-1256-W-15-Amp-277-Volt-Single-Pole/dp/B003AUPP66/ref=sr_1_5?ie=UTF8&qid=1511641880&sr=8-5&keywords=single%2Bthrow%2Bdouble%2Bpole%2Bswitch&th=1
I don't think that is the one you want. Toggle Double-Throw Ctr-OFF Momentary Contact Single-Pole AC Quiet Switch. Pricey little thing. :o It sounds to me like it is a single pole single throw with the middle position being off, one position being on and the other position being momentary on. I think maybe this one:

https://www.amazon.com/dp/B003AUIRDE/ref=psdc_6291359011_t2_B003AUPP66
« Last Edit: November 25, 2017, 03:54:07 PM by SeilerBird »
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John From Detroit

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Re: Looking for a special 110 Volt AC switch
« Reply #8 on: November 25, 2017, 04:25:31 PM »
Yes. Yes and no

The switches you want (SP/3T on/off/on) do exist but they are not "Standard"  size,  For low cuirrent Electronics shops will have 'em  For higher current (like 30 amps) hit an Electrical supply,
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Heli_av8tor

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Re: Looking for a special 110 Volt AC switch
« Reply #9 on: November 25, 2017, 05:31:53 PM »
My coach has two of them located in the bathroom. They control power to the water heater, microwave, and washer/dryer assuring that only one of them are powered at a time to prevent an overload condition. (30 amp system)
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Heli_av8tor

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Re: Looking for a special 110 Volt AC switch
« Reply #10 on: November 25, 2017, 05:35:16 PM »
Oh, and the center off does not constitute another "throw". It would be designated as "SPDT with center off".

Tom
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Re: Looking for a special 110 Volt AC switch
« Reply #11 on: November 25, 2017, 07:03:31 PM »
That will still work, you just use only one side (one throw) of the switch. The hard part would be finding one with the center off position. Usually they have no middle position.

I agree that it would work, as long as it had the center off position, but the price of a DP/DT switch is a lot more expensive, and unnecessary for his use.
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Gary RV_Wizard

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Re: Looking for a special 110 Volt AC switch
« Reply #12 on: November 26, 2017, 11:05:11 AM »
Seilerbird is right - you probably want "maintained contact" rather than "momentary contact" type of SPDT switch. In other words, a simple power transfer switch .

I never did find a source for a standard household switch like that when I needed one, but panel toggle switches of that sort are readily available with similar voltage and amp ratings.
Gary
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Heli_av8tor

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Re: Looking for a special 110 Volt AC switch
« Reply #13 on: November 26, 2017, 08:40:08 PM »
A standard household 3-way switch is a SPDT switch, though it doesn't have a center off position.

Tom
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Brother Bear

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Re: Looking for a special 110 Volt AC switch
« Reply #14 on: November 26, 2017, 10:31:44 PM »
A standard household 3-way switch is a SPDT switch, though it doesn't have a center off position.

Tom

How do you come up with that? A standard 3-way household switch only has 2 positions, making it a single throw.
Larry
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SeilerBird

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Re: Looking for a special 110 Volt AC switch
« Reply #15 on: November 27, 2017, 04:28:21 AM »
How do you come up with that? A standard 3-way household switch only has 2 positions, making it a single throw.
That is the whole problem with a three way switch. It only has two positions. A four way switch has three positions. I don't know who named these but he is absolutely correct. It is a single pole double throw switch.
I would like to apologize to anyone I have not yet offended. Please be patient and I will get to you shortly.
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Gary RV_Wizard

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Re: Looking for a special 110 Volt AC switch
« Reply #16 on: November 27, 2017, 10:03:55 AM »
Quote
A standard 3-way household switch only has 2 positions, making it a single throw.

Nope, it's a double-throw. The power is switched from a center common terminal to either of two load terminals. So the switch is "thrown" to one of two positions, even though the user sees it has a single flip of the switch. The lack of a dead center doesn't make it single instead of double.
Gary
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SeilerBird

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Re: Looking for a special 110 Volt AC switch
« Reply #17 on: November 27, 2017, 11:21:54 AM »
Here are some schematics to help out anyone confused by all this.
I would like to apologize to anyone I have not yet offended. Please be patient and I will get to you shortly.
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Heli_av8tor

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Re: Looking for a special 110 Volt AC switch
« Reply #18 on: November 27, 2017, 06:31:20 PM »
And any of these could have a center off and it doesn’t affect the nomenclature.
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Jim18655

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Re: Looking for a special 110 Volt AC switch
« Reply #19 on: December 04, 2017, 04:55:03 PM »
How bad do you want/need?
https://www.amazon.com/dp/B0033PSG5A/ref=psdc_6291359011_t2_B003AUPP66
You might be able to find a lower price by searching with the part number.

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Re: Looking for a special 110 Volt AC switch
« Reply #20 on: December 05, 2017, 05:54:07 AM »
That is the whole problem with a three way switch. It only has two positions. A four way switch has three positions. I don't know who named these but he is absolutely correct. It is a single pole double throw switch.

A four way switch has TWO positions....it's either flipped up, or it's flipped down.
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Rene T

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Re: Looking for a special 110 Volt AC switch
« Reply #21 on: December 05, 2017, 07:15:40 AM »
How bad do you want/need?
https://www.amazon.com/dp/B0033PSG5A/ref=psdc_6291359011_t2_B003AUPP66
You might be able to find a lower price by searching with the part number.

I don't want it that bad. Thanks anyway.

Time to end this post. My question has been answered
Rene, Lucille & co-pilot Buddy
AKA  Pep N Mem
2011 Chevy Duramax 2500 HD 4X4
2011 Montana High Country 343RL
From the Granite State of NH
& Florida Snowbird in Lakeland FL